Average Co-Inventor Count = 2.77
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Daiwa Seiko, Inc. (3 from 602 patents)
3 patents:
1. D467299 - Fishing reel body
2. 4848022 - Handle for a fishing rod
3. 4674699 - Backlash preventing device for fishing reel